Extended tier only
The south pole of a magnet is brought near to a solenoid, which is connected to an ammeter. The magnet is then pulled away again.
As the magnet is moved towards point P the needle on the ammeter deflects. When it is moved away from point P, the needle on the ammeter also deflects.
What magnetic pole is produced at P when the south pole of the magnet is brought towards and away from the solenoid?